var createError = require('http-errors');
var express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
var cookieSession = require('cookie-session')
var logger = require('morgan');

var indexRouter = require('./routes/index');
var usersRouter = require('./routes/users');
// var yazhiShawRouter = require('./routes/yazhiShaw');
// var mypageRouter = require('./routes/mypage');

var app = express();

//1.解析cookie
app.use(cookieParser('jdasfkd'));

//2.使用session
var keys=[];
for(var i=0;i<100000;i++){
  keys.push('keys_'+Math.random());
}
app.use(cookieSession({name: 'sess_id', keys: keys, maxAge: 20*3600*1000}));

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'ejs');

// app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));
// app.use(express.static(path.join(__dirname, 'node_modules')));

app.use('/', indexRouter);
app.use('/users', usersRouter);
// app.use('/yazhiShaw', yazhiShawRouter);
// app.use('/mypage', mypageRouter);

// catch 404 and forward to error handler
app.use(function(req, res, next) {
  next(createError(404));
});

// error handler
app.use(function(err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render('error');
});

module.exports = app;
